Tag: flaw
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Exploitation attempts against critical Atlassian flaw have begun (CVE-2026-21589)
One day after Atlassian released patches fixing a critical arbitrary file access vulnerability (CVE-2026-21589) in its self-managed Data Center products, and a few hours after … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/10/07/exploitation-critical-atlassian-flaw-cve-2026-21589/
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Hackers exploit critical Atlassian flaw after public PoC release
A critical vulnerability (CVE-2026-21589) affecting multiple Atlassian product families, including Jira, Confluence, and Bitbucket, is being exploited in attacks that do not require authentication. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/hackers-exploit-critical-atlassian-flaw-after-public-poc-release/
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Critical Progress DataDirect GenAI Flaw Lets Attackers Execute Arbitrary OS Commands
Progress has disclosed a critical command injection vulnerability in the Early Access Release of its DataDirect Autonomous REST Connector AI Model Generator agents. This vulnerability, tracked as CVE-2026-91140, allows specially crafted OpenAPI or Swagger documents to execute arbitrary operating system commands within the environment running an affected agent. The security bulletin, dated October 6, 2026,…
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Critical Progress DataDirect GenAI Flaw Lets Attackers Execute Arbitrary OS Commands
Progress has disclosed a critical command injection vulnerability in the Early Access Release of its DataDirect Autonomous REST Connector AI Model Generator agents. This vulnerability, tracked as CVE-2026-91140, allows specially crafted OpenAPI or Swagger documents to execute arbitrary operating system commands within the environment running an affected agent. The security bulletin, dated October 6, 2026,…
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SonicWall warns of max severity SSRF flaw in SMA1000 gateways
Tags: flawSonicWall has released hotfixes to address a maximum-severity server-side request forgery (SSRF) flaw in SMA1000 series appliances. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/sonicwall-warns-of-max-severity-ssrf-flaw-in-sma1000-gateways/
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Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public Details
Threat actors have begun to exploit a newly disclosed critical security flaw impacting Atlassian Data Center products that could allow access to sensitive files under certain conditions.The arbitrary file access flaw, tracked as CVE-2026-21589 (CVSS score: 9.3) affects multiple products, including Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software First…
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SonicWall fixes pre-auth SSRF flaw in SMA 1000 appliances (CVE-2026-102255)
SonicWall has patched four vulnerabilities in its popular Secure Mobile Access (SMA) 1000 series of appliances, including one (CVE-2026-102255) that could allow remote … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/10/07/sonicwall-fixes-pre-auth-ssrf-flaw-in-sma-1000-appliances-cve-2026-102255/
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Hackers Use ERP Web Shell and IDOR Flaws to Breach Major South Korean Churches
Attackers breached two of South Korea’s largest churches through distinct intrusion chains, combining an ERP web shell, privileged database access, leaked credentials, and broken authorization controls. Oasis Security’s analysis of attacker-server files documents extensive collection of congregant, employee, financial, and administrative information across both organizations. Its findings describe recovered attacker artifacts, rather than a complete…
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OpenSSH 10.6 Fixes Security Flaws Including SSH Plaintext Recovery Attack
OpenSSH released version 10.6 on October 6, 2026, to address security vulnerabilities that affect encrypted sessions, file transfers, authentication, and forwarding controls. This update mitigates a plaintext recovery attack that exploits shared compression states across multiplexed SSH channels and introduces compatibility changes, while accelerating the project’s security release schedule. OpenSSH 10.6 Fixes Security Flaws The…
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Elastic Patches 14 Security Flaws, Including One Enabling Cross-Tenant Data Interception
Elastic published 14 security advisories addressing various vulnerabilities in Elasticsearch, Kibana, and Elastic Agent/Endpoint. Among these, a high-severity Kibana authorization bypass vulnerability allows for cross-tenant data interception. Other issues include information disclosure and denial-of-service weaknesses in Elasticsearch, along with a flaw in Elastic Endpoint that affects Windows protection capabilities. The advisory list consists of ten…
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Elastic Patches 14 Security Flaws, Including One Enabling Cross-Tenant Data Interception
Elastic published 14 security advisories addressing various vulnerabilities in Elasticsearch, Kibana, and Elastic Agent/Endpoint. Among these, a high-severity Kibana authorization bypass vulnerability allows for cross-tenant data interception. Other issues include information disclosure and denial-of-service weaknesses in Elasticsearch, along with a flaw in Elastic Endpoint that affects Windows protection capabilities. The advisory list consists of ten…
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Critical Veeam Backup Replication Flaw Allows Low-Privileged Users to Execute Remote Code
Veeam released security updates to address a critical vulnerability that lets low-privileged users execute remote code on Veeam Backup Servers. Identified as CVE-2025-64393, this flaw has a CVSS v4.0 score of 9.4 and was resolved in Veeam Backup & Replication version 12.3.2 P4, build 12.3.2.4934, released on October 6, 2026. The vulnerability affects build 12.3.2.4854…
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Anthropic Expands Claude Access for Vetted Cyber Teams as Glasswing Finds 129,000 Flaws
Anthropic on Tuesday said it’s expanding a program that allows vetted cybersecurity professionals to test its advanced artificial intelligence (AI) models with reduced safeguards and blocking classifiers, as the company claimed its Project Glasswing initiative uncovered at least 129,000 verified software vulnerabilities between April and July 2026.The company said it also found an additional First…
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Check your X.Org server version because a dozen vulnerabilities have been patched
X.Org fixed 12 security flaws in the X server and Xwayland, with the repairs shipping in xorg-server 21.1.25 and xwayland-24.1.14. Nine of the flaws can lead to arbitrary code … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/10/07/x-org-server-fixed-vulnerabilities/
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GitHub Copilot CLI Flaw Lets Attackers Steal Developer Secrets Using Encrypted Prompt Injection
Security researchers have revealed an attack against GitHub Copilot CLI that can expose developer secrets through an attacker-controlled webpage. This technique is called Cryptographic Context Injection (CCI). It involves hiding malicious instructions in encrypted content, which then convinces the coding agent to decrypt and run them in its runtime environment. According to Adversa AI’s disclosure,…
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Ninja Forms plugin flaw exploited to hack WordPress sites
Hackers are exploiting stored cross-site scripting (XSS) vulnerabilities in two unrelated WordPress plugins, Ninja Forms and WPC Product Bundles for WooCommerce, to install backdoors and create rogue admin accounts. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/ninja-forms-plugin-flaw-exploited-to-hack-wordpress-sites/
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Google’s PageBreak AI Agent Finds 500 Flaws in Its Web Apps
The situation illustrates a trend toward using AI and deterministic validation to identify flaws and exploitability, and provide a risk assessment. First seen on darkreading.com Jump to article: www.darkreading.com/application-security/google-pagebreak-ai-agent-500-flaws-web-apps
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Google Pauses Open-Source Bug Bounty Program Amid AI Slop
Tech Giant Cites ‘Significant Rise in Automated Submissions’ Lacking Validity. Google has indefinitely paused a bug bounty program designed to reward researchers who find flaws in the open-source software it maintains, citing a significant rise in automated submissions, the vast majority of which are not valid. Other software maintainers report similar struggles. First seen on…
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Atlassian warns of critical file-access flaw in Jira, Confluence
Atlassian is warning customers of a critical vulnerability, tracked as CVE-2026-21589, that can be exploited for arbitrary file-access in multiple self-hosted Data Center products, including Confluence, Jira, and Bitbucket. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/atlassian-warns-of-critical-file-access-flaw-in-jira-confluence/
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IBM’s AI-powered vulnerability clearinghouse finds hundreds of Java flaws
The tech giant’s announcement underscores the insufficiency of companies’ existing software supply-chain security practices. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/ibm-ai-vulnerability-java-lightwell/832249/
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CVE-2026-96940: Microsoft Fixes Exchange Server Flaw For Which Exploitation Is More Likely
Microsoft released emergency updates for Exchange Server to fix CVE-2026-96940, a high-severity flaw that can let attackers gain higher privileges. Microsoft has released out-of-band security updates for Exchange Server to fix a high-severity vulnerability tracked as CVE-2026-96940 (CVSS score of 8.8). The flaw is caused by weak authorization and can allow an authenticated attacker to…
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LibreOffice and OpenOffice Flaws Let Malicious Spreadsheets Run Code Without Macro Warnings
A malicious spreadsheet can make LibreOffice and Apache OpenOffice run an attacker’s code as soon as the file is opened, security researchers have shown. There is no warning first, of the kind either program shows before it runs a macro.The attack works only when the program’s Java support is enabled. So far, it has only…
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Dell System Update flaw allows attackers to gain root privileges (CVE-2026-86360)
Dell is urging customers to patch a vulnerability (CVE-2026-86360) in Dell System Update (DSU) that could allow an unauthenticated remote attacker to execute arbitrary code … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/10/06/dell-system-update-vulnerability-cve-2026-86360/
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IBM Patches Multiple Langflow OSS Flaws Including Two Critical RCE Vulnerabilities
IBM has disclosed 25 vulnerabilities in Langflow OSS, affecting versions 1.0.0 through 1.12.2. Two of these are critical flaws that allow unauthenticated remote code execution. The security bulletin recommends upgrading to version 1.12.3, and it does not list any workarounds. Langflow provides a visual environment for building AI agents and workflows, featuring customization with Python…
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Google Pauses OSS Product Bug Bounty Rewards After Surge in Invalid Automated Reports
Google has stopped accepting product vulnerability reports through its bug bounty program for its open-source software.The change, in effect since October 1, means researchers can no longer submit security flaws in the code of projects such as Go, Angular, and Protocol Buffers there for a reward. Reports about supply chain compromises are still accepted, and…
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Critical WatchGuard Endpoint Security Flaw Exposes Kernel and Process Memory
A critical vulnerability exists in WatchGuard endpoint security products that could allow a local, authenticated attacker to bypass driver authentication and access sensitive kernel and process memory. This vulnerability is tracked as CVE-2026-13043 and has a reported CVSS score of 9.3. It affects the Panda Kernel Memory Access Driver (pskmad.sys), as noted in an advisory…
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Dell Urges Customers to Patch Critical DSU Flaw That Can Give Attackers Root Access
Dell warns that a critical DSU flaw lets attackers run code as root. Customers should patch affected PowerEdge systems as soon as possible. Dell urged customers to patch a critical flaw, tracked as CVE-2026-86360 (CVSS score of 9.6), in its System Update (DSU) tool. The vulnerability is a path traversal issue that can let attackers…
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Critical Atlassian Flaw Lets Unauthenticated Attackers Read Known Files Across 8 Products
A critical flaw in 8 Atlassian Data Center products, which customers host themselves, allows an attacker with no login access to read specific files in each product’s web application root directory.The attacker must already know a file’s exact name and path and cannot list what the directory holds. Atlassian disclosed the flaw, CVE-2026-21589, on October…
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Atlassian CVE-2026-21589 Flaw Exposes Files in Jira and Confluence Data Center
Atlassian has announced a critical vulnerability related to arbitrary file access that affects Jira Software Data Center and Confluence Data Center. This vulnerability, tracked as CVE-2026-21589, has a CVSS score of 9.3 and allows unauthenticated attackers to access specific files within the web root directories of the affected applications without needing valid credentials or accounts.…
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Weekly Cybersecurity Newsletter Top 50 Biggest Cybersecurity Stories of the Week
Citrix NetScaler Zero-Days Exploited, OpenAI Agent Swarm Hits Hugging Face, Pentagon Breach Hits 3M, ShinyHunters Leader Arrested, Anthropic MCP Flaw & More Welcome to this week’s edition of the GBHackers cybersecurity newsletter your weekly cybersecurity bulletin covering the 50 most important stories from September 28 to October 2, 2026. AI dominated the week: an OpenAI…